Patent US2200812A successfully refreshed from Google Patents.
US2200812A
Expired / Lapsed
US
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Detachable retaining means
Assignee: Individual
•
Filing: 1939-05-26
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Granted: 1940-05-14
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Expires: 1959-05-26
Abstract
No abstract record available.
Inventors
- 👤 Sena M Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:49
CPC Classifications
A; A41; A41D; A41D27/00; A41D27/12; A41D27/13; A41D27/136; Y; Y10; Y10S; Y10S24/00; Y10S24/22; Y10S24/903; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906; Y10T24/44915; Y10T24/46; Y10T24/468; Y10T24/4682; Y10T24/4686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-05-14 | 1943-11-13 | 1944-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-14 | 1947-11-13 | 1948-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-14 | 1951-11-13 | 1952-05-14 | $7700.00 | Window Closed / Lapsed |